Find the sum of the sequence.
A. -90
B. -79
C. -18
D. -52
Answer: B
Mathematics
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Find the limit.
A. ? B. 0 C. -1 D. -?
Mathematics
Subtract.79
A. 34 B. 44 C. 114 D. 104
Mathematics
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 16;
T = 7 seconds
A. d = -7 cos 
B. d = -16 cos 
C. d = -16 sin 
D. d = -16 cos 
Mathematics
Solve for the indicated variable.A = 
, for r
Express the answer using ln.
A. r = 
B. r = ln 
C. r = 
D. r = ln 
Mathematics